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Finding the Fourth Proportional to 227,526.98, 341,345.43 and 85,373.42

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Solution

The fourth proportional to 227,526.98, 341,345.43 and 85,373.42 is: 128,080.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,526.98 : 341,345.43 = 85,373.42 : x
  2. Step 2: Convert to fraction form
    227,526.98/341,345.43 = 85,373.42/x
  3. Step 3: Cross multiply
    227,526.98x = 341,345.43 × 85,373.42
  4. Step 4: Simplify right side
    227,526.98x = 29,141,825,053.74
  5. Step 5: Solve for x
    x = 29,141,825,053.74/227,526.98
  6. Step 6: Final answer
    x = 128,080.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.